MS 193 T
English
27
N Insert a suitable tool in the spark
plug boot (3).
N Pry off the spark plug boot.
N Unscrew the spark plug.
Checking the Spark Plug
N Clean dirty spark plug.
N Check electrode gap (A) and
readjust if necessary – see
"Specifications".
N Rectify the problems which have
caused fouling of the spark plug.
Possible causes are:
– Too much oil in fuel mix.
– Dirty air filter.
– Unfavorable running conditions.
WARNING
Arcing may occur if the adapter nut (1) is
loose or missing. Working in an easily
combustible or explosive atmosphere
may cause a fire or an explosion. This
can result result in serious injuries or
damage to property.
N Use resistor type spark plugs with a
properly tightened adapter nut.
Installing the Spark Plug
N Screw the spark plug into the
cylinder.
N Connect the spark plug boot (press
it down firmly).
N Fit the carburetor box cover.
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